:root {
  --bg: #f8f7f4;
  --bg-alt: #f0ede7;
  --surface: #ffffff;
  --dark: #1a1917;
  --ink: #141618;
  --ink-2: #3d3d39;
  --ink-3: #7a7a74;
  --accent: #1f6fb2;
  --accent-2: #16588d;
  --accent-soft: rgba(31, 111, 178, .08);
  --line: rgba(20, 22, 24, .08);
  --line-strong: rgba(20, 22, 24, .14);
  --radius: 14px;
  --radius-sm: 8px;
  --max: 1160px;
  --ease: cubic-bezier(.25, .1, .25, 1);
  --ease-out: cubic-bezier(0, 0, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0 }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased }
body { font-family: 'DM Sans', system-ui, sans-serif; background: var(--bg); color: var(--ink); line-height: 1.6; overflow-x: hidden }
img { display: block; max-width: 100% }
a { text-decoration: none; color: inherit }
button { cursor: pointer; border: none; background: none; font-family: inherit }
sup { font-size: .65em; vertical-align: .45em }
.container { max-width: var(--max); margin-inline: auto; padding-inline: clamp(1.25rem, 4vw, 3rem) }

/* BUTTONS */
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--accent); color: #fff;
  padding: .75rem 1.5rem; border-radius: var(--radius-sm);
  font-size: .875rem; font-weight: 500; letter-spacing: .01em;
  transition: background .2s var(--ease), transform .15s var(--ease);
}
.btn-primary:hover { background: var(--accent-2); transform: translateY(-1px) }
.btn-primary.btn-lg { padding: 1rem 2rem; font-size: 1rem }

.btn-ghost {
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent; color: var(--ink);
  padding: .75rem 1.5rem; border-radius: var(--radius-sm);
  font-size: .875rem; font-weight: 400;
  border: 1px solid var(--line-strong);
  transition: border-color .2s var(--ease), transform .15s var(--ease);
}
.btn-ghost:hover { border-color: var(--ink); transform: translateY(-1px) }

/* HEADER */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(248, 247, 244, .94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.header-inner { display: flex; align-items: center; gap: 1.5rem; height: 68px }
.brand { display: flex; align-items: center; gap: .6rem; flex-shrink: 0 }
.brand-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent) }
.brand-name { font-size: .95rem; font-weight: 500; color: var(--ink) }
.nav-links { display: flex; gap: 1.5rem; margin-left: auto }
.nav-links a { font-size: .875rem; color: var(--ink-2); transition: color .2s }
.nav-links a:hover { color: var(--ink) }
.site-header .btn-primary { flex-shrink: 0; margin-left: .5rem }
.menu-toggle { display: none; flex-direction: column; gap: 5px; padding: .5rem; margin-left: auto }
.menu-toggle span { display: block; width: 22px; height: 1.5px; background: var(--ink); transition: transform .2s }
.mobile-nav {
  display: none; flex-direction: column; gap: 1rem;
  padding: 1.25rem clamp(1.25rem, 4vw, 3rem);
  border-top: 1px solid var(--line);
}
.mobile-nav a { font-size: .95rem; color: var(--ink-2) }
.mobile-nav .btn-primary { width: fit-content }
.mobile-nav.open { display: flex }

/* HERO */
.hero { padding: 6rem 0 5rem }
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center }

.hero-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .75rem; font-weight: 500; letter-spacing: .1em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 1.5rem;
}
.badge-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent) }

.hero-title {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: clamp(2.4rem, 4.5vw, 3.8rem);
  line-height: 1.08; font-weight: 400; color: var(--ink);
  margin-bottom: 1.25rem; letter-spacing: -.02em;
}
.hero-title em { font-style: italic; color: var(--ink-2) }

.hero-sub {
  font-size: 1.05rem; font-weight: 300; color: var(--ink-2);
  line-height: 1.75; max-width: 480px; margin-bottom: 2rem;
}

.hero-price {
  display: flex; align-items: baseline; gap: 1rem;
  margin-bottom: 2rem; padding: 1.25rem 1.5rem;
  background: var(--accent-soft); border: 1px solid rgba(31, 111, 178, .15);
  border-radius: var(--radius); width: fit-content;
}
.price-amount {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 3rem; font-weight: 400; color: var(--accent); line-height: 1;
}
.price-detail { font-size: .8rem; color: var(--ink-2); line-height: 1.6 }

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.25rem }
.hero-reassurance { font-size: .78rem; color: var(--ink-3) }

/* HERO IMAGE */
.hero-img-wrap {
  position: relative; border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0, 0, 0, .12), 0 4px 16px rgba(0, 0, 0, .06);
}
.hero-img {
  width: 100%; height: 480px;
  object-fit: cover; object-position: center;
  display: block;
}
.hero-img-badge {
  position: absolute; bottom: 1.25rem; left: 1.25rem;
  display: inline-flex; align-items: center; gap: .5rem;
  background: rgba(255, 255, 255, .92); backdrop-filter: blur(8px);
  padding: .6rem 1rem; border-radius: 999px;
  font-size: .78rem; font-weight: 500; color: var(--ink);
  box-shadow: 0 4px 16px rgba(0, 0, 0, .08);
}
.hero-img-dot { width: 7px; height: 7px; border-radius: 50%; background: #22c55e; flex-shrink: 0 }

/* PROOF BAR */
.proof-bar {
  padding: 2rem 0;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background: var(--surface);
}
.proof-inner { display: flex; align-items: center; justify-content: center; flex-wrap: wrap }
.proof-item { display: flex; flex-direction: column; align-items: center; padding: .5rem 2.5rem }
.proof-sep { width: 1px; height: 36px; background: var(--line-strong) }
.proof-val {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 1.8rem; color: var(--accent); line-height: 1;
}
.proof-label { font-size: .72rem; color: var(--ink-3); margin-top: .2rem; letter-spacing: .04em }

/* SECTIONS */
.section { padding: 5rem 0 }
.section--alt { background: var(--bg-alt) }
.section--dark { background: var(--dark); color: #f9f7f4 }
.section-header { margin-bottom: 3.5rem }
.section-label {
  font-size: .7rem; font-weight: 500; letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent); margin-bottom: .75rem;
}
.section-title {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 400; line-height: 1.12; letter-spacing: -.015em;
  color: var(--ink); margin-bottom: .75rem;
}
.section--dark .section-title { color: #f9f7f4 }
.section-title em { font-style: italic; color: var(--ink-2) }
.section--dark .section-title em { color: rgba(249, 247, 244, .5) }
.section-sub { font-size: .95rem; color: var(--ink-2); max-width: 520px; line-height: 1.75 }

/* STEPS */
.steps-grid { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: start }
.step-connector {
  width: 1px; min-height: 60px; background: var(--line-strong);
  margin: 2.5rem 2rem 0; align-self: start;
}
.step-item {
  padding: 2rem; background: var(--surface);
  border-radius: var(--radius); border: 1px solid var(--line);
}
.step-num {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 2.4rem; color: rgba(31, 111, 178, .2);
  line-height: 1; margin-bottom: 1rem; font-weight: 400;
}
.step-title { font-size: 1rem; font-weight: 500; color: var(--ink); margin-bottom: .5rem }
.step-desc { font-size: .875rem; color: var(--ink-2); line-height: 1.65 }

/* INCLUS */
.inclus-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; background: var(--line);
  border-radius: var(--radius); overflow: hidden; margin-bottom: 1.5rem;
}
.inclus-card { display: flex; gap: 1rem; padding: 1.5rem; background: var(--surface); align-items: flex-start }
.inclus-icon {
  width: 32px; height: 32px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-soft); color: var(--accent);
}
.inclus-title { font-size: .9rem; font-weight: 500; color: var(--ink); margin-bottom: .25rem }
.inclus-desc { font-size: .82rem; color: var(--ink-2); line-height: 1.55 }
.inclus-note {
  font-size: .78rem; color: var(--ink-3); line-height: 1.6;
  padding: 1rem 1.25rem; background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius-sm);
}

/* DEMOS */
.demos-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem }
.demo-card {
  border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.demo-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0, 0, 0, .1) }
.demo-preview { height: 180px; padding: 1rem; display: flex; flex-direction: column; gap: .75rem }
.demo-preview--dark { background: #1a1917 }
.demo-preview--blue { background: #0f2a45 }
.demo-preview--warm { background: #2d1f14 }
.demo-mock-nav { height: 8px; background: rgba(255, 255, 255, .15); border-radius: 4px; width: 100% }
.demo-mock-hero { display: flex; flex-direction: column; gap: .4rem; margin-top: .25rem }
.demo-mock-line { height: 8px; background: rgba(255, 255, 255, .25); border-radius: 3px }
.demo-mock-line--lg { height: 14px; width: 70%; background: rgba(255, 255, 255, .4) }
.demo-mock-btn { height: 20px; width: 80px; background: rgba(255, 255, 255, .3); border-radius: 4px; margin-top: .25rem }
.demo-meta { display: flex; align-items: center; justify-content: space-between; padding: .875rem 1rem; background: var(--surface) }
.demo-label { font-size: .875rem; font-weight: 500; color: var(--ink) }
.demo-link { font-size: .78rem; color: var(--accent) }

/* TÉMOIGNAGES */
.temoignages-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem }
.temoignage-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.75rem }
.temoignage-stars { color: var(--accent); font-size: .85rem; margin-bottom: .75rem; letter-spacing: .1em }
.temoignage-text { font-size: .875rem; color: var(--ink-2); line-height: 1.7; margin-bottom: 1.25rem; font-style: italic }
.temoignage-author { display: flex; align-items: center; gap: .75rem }
.temoignage-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: .875rem; font-weight: 500; flex-shrink: 0;
}
.temoignage-name { font-size: .875rem; font-weight: 500; color: var(--ink) }
.temoignage-role { font-size: .75rem; color: var(--ink-3) }

/* FAQ */
.faq-container { max-width: 760px }
.faq-list { display: flex; flex-direction: column }
.faq-item { border-bottom: 1px solid var(--line) }
.faq-question {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  width: 100%; padding: 1.25rem 0;
  font-size: .95rem; font-weight: 400; color: var(--ink);
  text-align: left; transition: color .2s;
}
.faq-question:hover { color: var(--accent) }
.faq-icon { width: 20px; height: 20px; flex-shrink: 0; position: relative; color: var(--accent) }
.faq-icon::before, .faq-icon::after {
  content: ''; position: absolute; background: currentColor;
  transition: transform .25s var(--ease), opacity .25s;
}
.faq-icon::before { width: 10px; height: 1px; top: 50%; left: 50%; transform: translate(-50%, -50%) }
.faq-icon::after { width: 1px; height: 10px; top: 50%; left: 50%; transform: translate(-50%, -50%) }
.faq-item.open .faq-icon::after { transform: translate(-50%, -50%) rotate(90deg); opacity: 0 }
.faq-answer { overflow: hidden; max-height: 0; transition: max-height .35s var(--ease-out) }
.faq-item.open .faq-answer { max-height: 300px }
.faq-answer p { padding-bottom: 1.25rem; font-size: .875rem; color: var(--ink-2); line-height: 1.75 }

/* CTA / CONTACT */
.cta-layout { display: grid; grid-template-columns: 1fr 1.4fr; gap: 5rem; align-items: start }
.cta-title {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 400; line-height: 1.12; color: #f9f7f4;
  margin-bottom: .75rem; letter-spacing: -.015em;
}
.cta-title em { font-style: italic; color: rgba(249, 247, 244, .5) }
.cta-sub { font-size: .9rem; color: rgba(249, 247, 244, .55); line-height: 1.7; margin-bottom: 2rem }
.cta-price-block { display: flex; align-items: baseline; gap: 1rem; flex-wrap: wrap }
.cta-price {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 3.5rem; font-weight: 400; color: #f9f7f4; line-height: 1;
}
.cta-price-detail { display: flex; flex-direction: column; gap: .2rem }
.cta-price-detail span { font-size: .78rem; color: rgba(249, 247, 244, .4) }

.contact-form {
  background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .1);
  border-radius: var(--radius); padding: 2rem;
  display: flex; flex-direction: column; gap: 1.25rem;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem }
.form-field { display: flex; flex-direction: column; gap: .4rem }
.form-field label {
  font-size: .72rem; letter-spacing: .1em; text-transform: uppercase;
  color: rgba(249, 247, 244, .45);
}
.form-optional { text-transform: none; letter-spacing: 0; font-size: .72rem }
.form-field input, .form-field textarea {
  font-family: 'DM Sans', sans-serif; font-size: .9rem;
  background: rgba(255, 255, 255, .07); color: #f9f7f4;
  border: 1px solid rgba(255, 255, 255, .12); border-radius: var(--radius-sm);
  padding: .75rem 1rem; outline: none; width: 100%;
  transition: border-color .2s;
}
.form-field input::placeholder, .form-field textarea::placeholder { color: rgba(249, 247, 244, .25) }
.form-field input:focus, .form-field textarea:focus { border-color: rgba(255, 255, 255, .35) }
.form-field textarea { resize: vertical; min-height: 80px }
.form-error { font-size: .8rem; color: #f87171; display: none }
.form-error.visible { display: block }
.btn-submit {
  width: 100%; padding: 1rem; border-radius: var(--radius-sm);
  background: #fff; color: var(--dark);
  font-family: 'DM Sans', sans-serif; font-size: .95rem; font-weight: 500;
  transition: background .2s, transform .15s; cursor: pointer;
}
.btn-submit:hover { background: var(--bg); transform: translateY(-1px) }
.btn-submit:disabled { opacity: .6; cursor: wait }
.form-note { font-size: .72rem; color: rgba(249, 247, 244, .3); text-align: center }
.contact-success { display: none; text-align: center; padding: 3rem 2rem }
.contact-success.visible { display: block }
.success-icon { font-size: 1.5rem; color: rgba(249, 247, 244, .4); margin-bottom: 1rem }
.contact-success h3 {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 2rem; font-weight: 400; color: #f9f7f4; margin-bottom: .5rem;
}
.contact-success p { font-size: .9rem; color: rgba(249, 247, 244, .5) }

/* FOOTER */
.site-footer { padding: 1.75rem 0; border-top: 1px solid var(--line) }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem }
.footer-brand { font-size: .875rem; font-weight: 500; color: var(--ink-2) }
.footer-links { display: flex; gap: 1.5rem }
.footer-links a { font-size: .78rem; color: var(--ink-3); transition: color .2s }
.footer-links a:hover { color: var(--ink) }
.footer-copy { font-size: .72rem; color: var(--ink-3) }

/* FADE IN */
.fade-in { opacity: 0; transform: translateY(16px); transition: opacity .6s var(--ease-out), transform .6s var(--ease-out) }
.fade-in.visible { opacity: 1; transform: none }

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-inner, .cta-layout { grid-template-columns: 1fr; gap: 2.5rem }
  .hero-visual { display: none }
  .steps-grid { grid-template-columns: 1fr; gap: 1rem }
  .step-connector { display: none }
  .inclus-grid { grid-template-columns: 1fr 1fr }
  .demos-grid, .temoignages-grid { grid-template-columns: 1fr 1fr }
  .nav-links, .site-header .btn-primary { display: none }
  .menu-toggle { display: flex }
  .proof-item { padding: .5rem 1.25rem }
}
@media (max-width: 600px) {
  .hero { padding: 4rem 0 3rem }
  .section { padding: 3.5rem 0 }
  .inclus-grid, .demos-grid, .temoignages-grid { grid-template-columns: 1fr }
  .form-row { grid-template-columns: 1fr }
  .proof-sep { display: none }
  .proof-inner { gap: 1.5rem }
}

/* ── DEMOS PAGE ── */
.demos-hero { padding: 4rem 0 2.5rem }
.demos-title {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 400; line-height: 1.1; letter-spacing: -.02em;
  color: var(--ink); margin: .5rem 0 1rem;
}
.demos-title em { font-style: italic; color: var(--ink-2) }
.demos-sub { font-size: 1rem; color: var(--ink-2); max-width: 520px; line-height: 1.75 }

.demos-list { padding: 2rem 0 4rem }
.demos-list .container { display: flex; flex-direction: column; gap: 4rem }

.demo-row {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 3.5rem; align-items: center;
}
.demo-row--reverse { direction: rtl }
.demo-row--reverse > * { direction: ltr }

.demo-row-visual {
  position: relative; border-radius: var(--radius);
  overflow: hidden; display: block;
  box-shadow: 0 16px 48px rgba(0,0,0,.1);
  transition: transform .3s var(--ease);
}
.demo-row-visual:hover { transform: translateY(-4px) }
.demo-row-visual img { width: 100%; height: 360px; object-fit: cover; display: block }
.demo-row-overlay {
  position: absolute; inset: 0;
  background: rgba(20,22,24,.4);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: .9rem; font-weight: 500; letter-spacing: .05em;
  opacity: 0; transition: opacity .25s var(--ease);
}
.demo-row-visual:hover .demo-row-overlay { opacity: 1 }

.demo-row-tag {
  font-size: .72rem; font-weight: 500; letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent); margin-bottom: .75rem;
}
.demo-row-title {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 400; line-height: 1.15; letter-spacing: -.015em;
  color: var(--ink); margin: 0 0 .75rem;
}
.demo-row-desc { font-size: .95rem; color: var(--ink-2); line-height: 1.7; margin-bottom: 1.25rem }
.demo-row-features {
  list-style: none; margin: 0 0 1.75rem; padding: 0;
  display: flex; flex-direction: column; gap: .45rem;
}
.demo-row-features li {
  font-size: .82rem; color: var(--ink-2);
  padding-left: 1.1rem; position: relative;
}
.demo-row-features li::before {
  content: ''; position: absolute; left: 0; top: .55em;
  width: 5px; height: 5px; border-radius: 50%; background: var(--accent);
}

@media (max-width: 900px) {
  .demo-row { grid-template-columns: 1fr; gap: 1.5rem }
  .demo-row--reverse { direction: ltr }
  .demo-row-visual img { height: 260px }
}

.demo-preview-img { height: 180px; overflow: hidden }
.demo-preview-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .3s }
.demo-card:hover .demo-preview-img img { transform: scale(1.04) }